[Extract] corrected exe names in bat file
[BUILD] Added eluna/sd2 flags to shared project
[DB] Correct Default Realm version
[Code] Added Aura heartbeat implementation
[Core] Fixed build with ealrier versions of VC
Merge branch 'Rel20_HeartbeatFix' of http://github.com/mangoszero/server into Rel20_HeartbeatFix